# coding=utf-8

import gettext

import gtk

import misc, ui

translators = '''\
ar - Ahmad Farghal <ahmad.farghal@gmail.com>
be@latin - Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
ca - Franc Rodriguez <franc.rodriguez@tecob.com>
cs - Jakub Adler <jakubadler@gmail.com>
da - Martin Dybdal <dybber@dybber.dk>
de - Paul Johnson <thrillerator@googlemail.com>
el_GR - Lazaros Koromilas <koromilaz@gmail.com>
es - Xoan Sampaiño <xoansampainho@gmail.com>
et - Mihkel <turakas@gmail.com>
fi - Ilkka Tuohela <hile@hack.fi>
fr - Floreal M <florealm@gmail.com>
ja - Masato Hashimoto <cabezon.hashimoto@gmail.com>
it - Gianni Vialetto <forgottencrow@gmail.com>
nl - Olivier Keun <litemotiv@gmail.com>
pl - Tomasz Dominikowski <dominikowski@gmail.com>
pt_BR - Alex Tercete Matos <alextercete@gmail.com>
ru - Ivan <bkb.box@bk.ru>
sk - Robert Hartl <hartl.robert@gmail.com>
sl - Alan Pepelko <alan.pepelko@gmail.com>
sv - Daniel Nylander <po@danielnylander.se>
tr - Gökmen Görgen <gkmngrgn@gmail.com>
uk - Господарисько Тарас <dogmaton@gmail.com>
zh_CN - Desmond Chang <dochang@gmail.com>
zh_TW - Ian-Xue Li <da.mi.spirit@gmail>
'''

class About(object):
	def __init__(self, parent_window, config, version, licensetext, icon_file):
		self.parent_window = parent_window
		self.config = config
		self.version = version
		self.license = licensetext
		self.icon_file = icon_file

		self.about_dialog = None

	def about_close(self, _event, _data=None):
		self.about_dialog.hide()
		return True
	
	def about_shortcuts(self, _button):
		# define the shortcuts and their descriptions
		# these are all gettextable
		mainshortcuts = \
				[[ "F1", _("About Sonata") ],
				 [ "F5", _("Preferences") ],
				 [ "F11", _("Fullscreen Artwork Mode") ],
				 [ "Alt-[1-5]", _("Switch to [1st-5th] tab") ],
				 [ "Alt-C", _("Connect to MPD") ],
				 [ "Alt-D", _("Disconnect from MPD") ],
				 [ "Alt-R", _("Randomize current playlist") ],
				 [ "Alt-Down", _("Expand player") ],
				 [ "Alt-Left", _("Switch to previous tab") ],
				 [ "Alt-Right", _("Switch to next tab") ],
				 [ "Alt-Up", _("Collapse player") ],
				 [ "Ctrl-H", _("Search library") ],
				 [ "Ctrl-Q", _("Quit") ],
				 [ "Ctrl-Shift-U", _("Update entire library") ],
				 [ "Menu", _("Display popup menu") ],
				 [ "Escape", _("Minimize to system tray (if enabled)") ]]
		playbackshortcuts = \
				[[ "Ctrl-Left", _("Previous track") ],
				 [ "Ctrl-Right", _("Next track") ],
				 [ "Ctrl-P", _("Play/Pause") ],
				 [ "Ctrl-S", _("Stop") ],
				 [ "Ctrl-Minus", _("Lower the volume") ],
				 [ "Ctrl-Plus", _("Raise the volume") ]]
		currentshortcuts = \
				[[ "Enter/Space", _("Play selected song") ],
				 [ "Delete", _("Remove selected song(s)") ],
				 [ "Ctrl-I", _("Center currently playing song") ],
				 [ "Ctrl-T", _("Edit selected song's tags") ],
				 [ "Ctrl-Shift-S", _("Save to new playlist") ],
				 [ "Ctrl-Delete", _("Clear list") ], 
				 [ "Alt-R", _("Randomize list") ]]
		libraryshortcuts = \
				[[ "Enter/Space", _("Add selected song(s) or enter directory") ],
				 [ "Backspace", _("Go to parent directory") ],
				 [ "Ctrl-D", _("Add selected item(s)") ],
				 [ "Ctrl-R", _("Replace with selected item(s)") ],
				 [ "Ctrl-T", _("Edit selected song's tags") ],
				 [ "Ctrl-Shift-D", _("Add selected item(s) and play") ],
				 [ "Ctrl-Shift-R", _("Replace with selected item(s) and play") ],
				 [ "Ctrl-U", _("Update selected item(s)/path(s)") ]]
		playlistshortcuts = \
				[[ "Enter/Space", _("Add selected playlist(s)") ],
				 [ "Delete", _("Remove selected playlist(s)") ],
				 [ "Ctrl-D", _("Add selected playlist(s)") ],
				 [ "Ctrl-R", _("Replace with selected playlist(s)") ],
				 [ "Ctrl-Shift-D", _("Add selected playlist(s) and play") ],
				 [ "Ctrl-Shift-R", _("Replace with selected playlist(s) and play") ]]
		streamshortcuts = \
				[[ "Enter/Space", _("Add selected stream(s)") ],
				 [ "Delete", _("Remove selected stream(s)") ],
				 [ "Ctrl-D", _("Add selected stream(s)") ],
				 [ "Ctrl-R", _("Replace with selected stream(s)") ],
				 [ "Ctrl-Shift-D", _("Add selected stream(s) and play") ],
				 [ "Ctrl-Shift-R", _("Replace with selected stream(s) and play") ]]
		infoshortcuts = \
				[[ "Ctrl-T", _("Edit playing song's tags") ]]
		# define the main array- this adds headings to each section of
		# shortcuts that will be displayed
		shortcuts = [[ _("Main Shortcuts"), mainshortcuts ],
				[ _("Playback Shortcuts"), playbackshortcuts ],
				[ _("Current Shortcuts"), currentshortcuts ],
				[ _("Library Shortcuts"), libraryshortcuts ],
				[ _("Playlist Shortcuts"), playlistshortcuts ],
				[ _("Stream Shortcuts"), streamshortcuts ],
				[ _("Info Shortcuts"), infoshortcuts ]]
		dialog = ui.dialog(title=_("Shortcuts"), parent=self.about_dialog, flags=gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT, buttons=(gtk.STOCK_CLOSE, gtk.RESPONSE_CLOSE), role='shortcuts', default=gtk.RESPONSE_CLOSE, h=320)
		
		# each pair is a [ heading, shortcutlist ]
		vbox = gtk.VBox()
		for pair in shortcuts:
			titlelabel = ui.label(markup="<b>%s</b>" % pair[0])
			vbox.pack_start(titlelabel, False, False, 2)

			# print the items of [ shortcut, desc ]
			for item in pair[1]:
				tmphbox = gtk.HBox()

				tmplabel = ui.label(markup="<b>%s:</b>" % item[0], y=0)
				tmpdesc = ui.label(text=item[1], wrap=True, y=0)

				tmphbox.pack_start(tmplabel, False, False, 2)
				tmphbox.pack_start(tmpdesc, True, True, 2)

				vbox.pack_start(tmphbox, False, False, 2)
			vbox.pack_start(ui.label(text=" "), False, False, 2)
		scrollbox = ui.scrollwindow(policy_x=gtk.POLICY_NEVER, addvp=vbox)
		dialog.vbox.pack_start(scrollbox, True, True, 2)
		dialog.show_all()
		dialog.run()
		dialog.destroy()

	def statstext(self, stats):
		# XXX translate expressions, not words
		statslabel = stats['songs'] + ' ' + gettext.ngettext('song', 'songs', int(stats['songs'])) + '.\n'
		statslabel = statslabel + stats['albums'] + ' ' + gettext.ngettext('album', 'albums', int(stats['albums'])) + '.\n'
		statslabel = statslabel + stats['artists'] + ' ' + gettext.ngettext('artist', 'artists', int(stats['artists'])) + '.\n'
		try:
			hours_of_playtime = misc.convert_time(float(stats['db_playtime'])).split(':')[-3]
		except:
			hours_of_playtime = '0'
		if int(hours_of_playtime) >= 24:
			days_of_playtime = str(int(hours_of_playtime)/24)
			statslabel = statslabel + days_of_playtime + ' ' + gettext.ngettext('day of bliss', 'days of bliss', int(days_of_playtime)) + '.'
		else:
			statslabel = statslabel + hours_of_playtime + ' ' + gettext.ngettext('hour of bliss', 'hours of bliss', int(hours_of_playtime)) + '.'

		return statslabel

	def about_load(self, stats):
		self.about_dialog = gtk.AboutDialog()
		try:
			self.about_dialog.set_transient_for(self.parent_window)
			self.about_dialog.set_modal(True)
		except:
			pass
		self.about_dialog.set_name('Sonata')
		self.about_dialog.set_role('about')
		self.about_dialog.set_version(self.version)
		commentlabel = _('An elegant music client for MPD.')
		self.about_dialog.set_comments(commentlabel)
		if stats:
			self.about_dialog.set_copyright(self.statstext(stats))
		self.about_dialog.set_license(self.license)
		self.about_dialog.set_authors(['Scott Horowitz <stonecrest@gmail.com>', 'Tuukka Hastrup <Tuukka.Hastrup@iki.fi>', 'Stephen Boyd <bebarino@gmail.com>'])
		self.about_dialog.set_artists(['Adrian Chromenko <adrian@rest0re.org>\nhttp://oss.rest0re.org/'])
		self.about_dialog.set_translator_credits(translators)
		gtk.about_dialog_set_url_hook(self.show_website)
		self.about_dialog.set_website("http://sonata.berlios.de/")
		large_icon = gtk.gdk.pixbuf_new_from_file(self.icon_file)
		self.about_dialog.set_logo(large_icon)
		# Add button to show keybindings:
		shortcut_button = ui.button(text=_("_Shortcuts"))
		self.about_dialog.action_area.pack_start(shortcut_button)
		self.about_dialog.action_area.reorder_child(self.about_dialog.action_area.get_children()[-1], -2)
		# Connect to callbacks
		self.about_dialog.connect('response', self.about_close)
		self.about_dialog.connect('delete_event', self.about_close)
		shortcut_button.connect('clicked', self.about_shortcuts)
		self.about_dialog.show_all()

	def show_website(self, _dialog, link):
		if not misc.browser_load(link, self.config.url_browser, self.parent_window):
			ui.show_msg(self.about_dialog, _('Unable to launch a suitable browser.'), _('Launch Browser'), 'browserLoadError', gtk.BUTTONS_CLOSE)
